Home / 2,810.02-4,213.20-1,512.40

Finding the Fourth Proportional to 2,810.02, 4,213.20 and 1,512.40

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Solution

The fourth proportional to 2,810.02, 4,213.20 and 1,512.40 is: 2,267.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,810.02 : 4,213.20 = 1,512.40 : x
  2. Step 2: Convert to fraction form
    2,810.02/4,213.20 = 1,512.40/x
  3. Step 3: Cross multiply
    2,810.02x = 4,213.20 × 1,512.40
  4. Step 4: Simplify right side
    2,810.02x = 6,372,043.68
  5. Step 5: Solve for x
    x = 6,372,043.68/2,810.02
  6. Step 6: Final answer
    x = 2,267.62

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.